"""
猜大小游戏
经典的骰子猜大小游戏
系统随机生成 1-6 的点数，玩家猜测是大还是小
"""

import random
import sys


class GuessNumberGame:
    """猜大小游戏类"""
    
    def __init__(self):
        """初始化游戏"""
        self.player_name = ""
        self.score = 1000  # 初始分数
        self.win_count = 0
        self.lose_count = 0
        self.total_games = 0
    
    def display_title(self):
        """显示游戏标题"""
        print("\n" + "=" * 60)
        print("🎲 猜大小游戏 🎲")
        print("=" * 60)
        print("\n游戏规则:")
        print("  - 系统随机生成 1-6 的点数")
        print("  - 1-3 为小，4-6 为大")
        print("  - 猜对加分，猜错扣分")
        print("  - 初始分数：1000 分")
        print("  - 分数为 0 时游戏结束")
        print("=" * 60)
    
    def get_player_name(self):
        """获取玩家名字"""
        self.player_name = input("\n请输入你的名字：").strip()
        if not self.player_name:
            self.player_name = "玩家"
        print(f"\n你好，{self.player_name}！让我们开始游戏吧！\n")
    
    def get_bet(self):
        """
        获取下注分数
        
        Returns:
            下注的分数
        """
        while True:
            try:
                bet = input(f"当前分数：{self.score} | 请输入下注分数 (1-{self.score}): ").strip()
                bet = int(bet)
                
                if 1 <= bet <= self.score:
                    return bet
                else:
                    print(f"❌ 请输入 1 到 {self.score} 之间的数字！")
            except ValueError:
                print("❌ 请输入有效的数字！")
    
    def get_guess(self):
        """
        获取玩家猜测
        
        Returns:
            'big' 或 'small'
        """
        while True:
            guess = input("\n请猜大小 (大/小 或 b/s): ").strip().lower()
            
            if guess in ['大', 'big', 'b']:
                return 'big'
            elif guess in ['小', 'small', 's']:
                return 'small'
            else:
                print("❌ 请输入 '大'、'小'、'b' 或 's'！")
    
    def roll_dice(self):
        """
        掷骰子
        
        Returns:
            骰子点数 (1-6)
        """
        return random.randint(1, 6)
    
    def is_big(self, number):
        """
        判断是否为大
        
        Args:
            number: 骰子点数
            
        Returns:
            True 表示大，False 表示小
        """
        return number >= 4
    
    def play_round(self):
        """玩一轮游戏"""
        print("\n" + "-" * 60)
        print(f"第 {self.total_games + 1} 局")
        print("-" * 60)
        
        # 获取下注
        bet = self.get_bet()
        
        # 获取猜测
        guess = self.get_guess()
        
        # 掷骰子
        print("\n🎲 正在掷骰子...")
        import time
        time.sleep(1)
        
        result = self.roll_dice()
        is_big = self.is_big(result)
        result_text = "大" if is_big else "小"
        
        print(f"\n🎯 骰子点数：{result} ({result_text})")
        
        # 判断输赢
        if (guess == 'big' and is_big) or (guess == 'small' and not is_big):
            # 赢了
            win_score = bet
            self.score += win_score
            self.win_count += 1
            print(f"✅ 恭喜！你猜对了！赢得 {win_score} 分")
        else:
            # 输了
            self.score -= bet
            self.lose_count += 1
            print(f"❌ 很遗憾，你猜错了！失去 {bet} 分")
        
        self.total_games += 1
        
        # 显示统计
        print(f"\n📊 统计：胜 {self.win_count} 场 / 负 {self.lose_count} 场")
        print(f"📈 胜率：{self.win_count / self.total_games * 100:.1f}%")
    
    def check_game_over(self):
        """
        检查游戏是否结束
        
        Returns:
            True 表示游戏结束
        """
        if self.score <= 0:
            print("\n" + "=" * 60)
            print("💸 游戏结束！你的分数已经用完了！")
            print("=" * 60)
            return True
        
        # 询问是否继续
        while True:
            choice = input("\n是否继续游戏？(y/n): ").strip().lower()
            
            if choice in ['y', 'yes', '是']:
                return False
            elif choice in ['n', 'no', '否']:
                return True
            else:
                print("请输入 'y' 或 'n'！")
    
    def show_final_stats(self):
        """显示最终统计"""
        print("\n" + "=" * 60)
        print(f"🎮 {self.player_name} 的最终统计")
        print("=" * 60)
        print(f"  总游戏局数：{self.total_games}")
        print(f"  胜利：{self.win_count} 场")
        print(f"  失败：{self.lose_count} 场")
        print(f"  胜率：{self.win_count / max(1, self.total_games) * 100:.1f}%")
        print(f"  最终分数：{self.score}")
        
        if self.win_count > self.lose_count:
            print("\n🏆 表现不错！你是猜大小高手！")
        elif self.win_count == self.lose_count:
            print("\n👍 势均力敌！下次继续努力！")
        else:
            print("\n💪 不要气馁！再接再厉！")
        
        print("=" * 60)
    
    def run(self):
        """运行游戏主流程"""
        # 显示标题
        self.display_title()
        
        # 获取玩家名字
        self.get_player_name()
        
        # 游戏主循环
        while True:
            # 玩一轮
            self.play_round()
            
            # 检查是否结束
            if self.check_game_over():
                break
        
        # 显示最终统计
        self.show_final_stats()
        
        print("\n感谢游玩！再见！👋\n")


def main():
    """主函数"""
    try:
        game = GuessNumberGame()
        game.run()
    except KeyboardInterrupt:
        print("\n\n游戏被中断！再见！👋\n")
        sys.exit(0)


if __name__ == "__main__":
    main()